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【题目】下图是“长江干流流经的省级行政区域示意图”。读图完成下列各题。

【1】图中各省市区编号是2010年某项指标在全国省级行政区中的排名,该指标可能是

A.人口 B.面积 C.城市化水平 D.经济总量

【2】长江中游②河段的特征是

A.江水浑浊含沙量大 B.水量巨大水能丰富

C.河道弯曲水流平缓 D.峡谷幽深猿声鸣啼

【答案】

【1】A

【2】C

【解析】

试题分析:

【1】图中各省市区编号是2010年某项指标在全国省级行政区中的排名,该指标中排名最高的是四川,四川的人口是图中各省中最高的,A对。图中各省面积最大的是西藏,B错。城市化水平最高的是上海,不可能排名靠后,C错。找一个特殊例子,经济总量上海一定高于重庆,D错。

【2】长江中游②河段流经平原地区,落差小,河段的特征是河道弯曲水流平缓,C对。水流慢,泥沙沉积,江水含沙量较小,A错。落差小,水能丰富,B错。峡谷幽深猿声鸣啼河段的特征,D错。

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